Examples with IOError java.io.IOError used on opensource projects

Example 66 with IOError

use of java.io.IOError in project flink by apache.

the class CliClient method getAndExecuteStatements.

private boolean getAndExecuteStatements(LineReader lineReader, ExecutionMode mode) {
    // begin reading loop
    boolean exitOnFailure = !mode.equals(ExecutionMode.INTERACTIVE_EXECUTION);
    isRunning = true;
    while (isRunning) {
        // make some space to previous command
        terminal.writer().append("\n");
        terminal.flush();
        Optional<Operation> parsedOperation = Optional.empty();
        try {
            // read a statement from terminal and parse it
            String line = lineReader.readLine(prompt, null, inputTransformer, null);
            if (line.trim().isEmpty()) {
                continue;
            }
            // get the parsed operation.
            // if the command is invalid, the exception caught from parser would be thrown.
            parsedOperation = parser.getParsedOperation();
            Preconditions.checkArgument(line.equals(parser.getCommand()), String.format("This is a bug, please report to the flink community. Statement read[%s] isn't the same as statement parsed[%s]", line, parser.getCommand()));
        } catch (SqlExecutionException e) {
            // print the detailed information on about the parse errors in the terminal.
            printExecutionException(e);
            if (exitOnFailure) {
                return false;
            }
        } catch (UserInterruptException e) {
            // user cancelled line with Ctrl+C
            continue;
        } catch (EndOfFileException | IOError e) {
            // user cancelled application with Ctrl+D or kill
            break;
        } catch (Throwable t) {
            throw new SqlClientException("Could not read from command line.", t);
        }
        // no operation available, read next command
        if (!parsedOperation.isPresent()) {
            continue;
        }
        // execute the operation
        boolean success = executeOperation(parsedOperation.get(), mode);
        if (exitOnFailure && !success) {
            return false;
        }
    }
    // finish all statements.
    return true;
}

Example 67 with IOError

use of java.io.IOError in project eiger by wlloyd.

the class BufferedSegmentedFile method getSegment.

public FileDataInput getSegment(long position) {
    try {
        RandomAccessReader file = RandomAccessReader.open(new File(path));
        file.seek(position);
        return file;
    } catch (IOException e) {
        throw new IOError(e);
    }
}

Example 68 with IOError

use of java.io.IOError in project eiger by wlloyd.

the class Gossiper method sendGossip.

/**
 * Returns true if the chosen target was also a seed. False otherwise
 *
 *  @param prod produces a message to send
 *  @param epSet a set of endpoint from which a random endpoint is chosen.
 *  @return true if the chosen endpoint is also a seed.
 */
private boolean sendGossip(MessageProducer prod, Set<InetAddress> epSet) {
    int size = epSet.size();
    if (size < 1)
        return false;
    /* Generate a random number from 0 -> size */
    List<InetAddress> liveEndpoints = new ArrayList<InetAddress>(epSet);
    int index = (size == 1) ? 0 : random.nextInt(size);
    InetAddress to = liveEndpoints.get(index);
    if (logger.isTraceEnabled())
        logger.trace("Sending a GossipDigestSynMessage to {} ...", to);
    try {
        MessagingService.instance().sendOneWay(prod.getMessage(getVersion(to)), to);
    } catch (IOException ex) {
        throw new IOError(ex);
    }
    return seeds.contains(to);
}

Example 69 with IOError

use of java.io.IOError in project eiger by wlloyd.

the class KeyIterator method computeNext.

protected DecoratedKey<?> computeNext() {
    try {
        if (in.isEOF())
            return endOfData();
        DecoratedKey<?> key = SSTableReader.decodeKey(StorageService.getPartitioner(), desc, ByteBufferUtil.readWithShortLength(in));
        // skip data position
        in.readLong();
        return key;
    } catch (IOException e) {
        throw new IOError(e);
    }
}

Example 70 with IOError

use of java.io.IOError in project eiger by wlloyd.

the class ReadRepairVerbHandler method doVerb.

@Override
public void doVerb(Message message, String id) {
    byte[] body = message.getMessageBody();
    FastByteArrayInputStream buffer = new FastByteArrayInputStream(body);
    try {
        RowMutation rm = RowMutation.serializer().deserialize(new DataInputStream(buffer), message.getVersion());
        // WL TODO: Might need to check dependencies here, if we implement on top of quorums
        rm.apply();
        WriteResponse response = new WriteResponse(rm.getTable(), rm.key(), true);
        Message responseMessage = WriteResponse.makeWriteResponseMessage(message, response);
        MessagingService.instance().sendReply(responseMessage, id, message.getFrom());
    } catch (IOException e) {
        throw new IOError(e);
    }
}